Virtualization - Jul 2023 - [PATCH v1 0/2] vduse: add support for networking devices

On Tue, Jun 27, 2023 at 01:36:50PM +0200, Maxime Coquelin
wrote:
> This small series enables virtio-net device type in VDUSE.
> With it, basic operation have been tested, both with
> virtio-vdpa and vhost-vdpa using DPDK Vhost library series
> adding VDUSE support using split rings layout (merged in
> DPDK v23.07-rc1).
> 
> Control queue support (and so multiqueue) has also been
> tested, but requires a Kernel series from Jason Wang
> relaxing control queue polling [1] to function reliably.
> 
> [1]:
https://lore.kernel.org/lkml/CACGkMEtgrxN3PPwsDo4oOsnsSLJfEmBEZ0WvjGRr3whU+QasUg
at mail.gmail.com/T/
Jason promised to post a new version of that patch.
Right Jason?
For now let's make sure CVQ feature flag is off?
> RFC -> v1 changes:
> =================> - Fail device init if it does not support VERSION_1
(Jason)
> 
> Maxime Coquelin (2):
>   vduse: validate block features only with block devices
>   vduse: enable Virtio-net device type
> 
>  drivers/vdpa/vdpa_user/vduse_dev.c | 15 +++++++++++----
>  1 file changed, 11 insertions(+), 4 deletions(-)
> 
> -- 
> 2.41.0

On Sun, Jul 2, 2023 at 9:37?PM Michael S. Tsirkin <mst at redhat.com>
wrote:
>
> On Tue, Jun 27, 2023 at 01:36:50PM +0200, Maxime Coquelin wrote:
> > This small series enables virtio-net device type in VDUSE.
> > With it, basic operation have been tested, both with
> > virtio-vdpa and vhost-vdpa using DPDK Vhost library series
> > adding VDUSE support using split rings layout (merged in
> > DPDK v23.07-rc1).
> >
> > Control queue support (and so multiqueue) has also been
> > tested, but requires a Kernel series from Jason Wang
> > relaxing control queue polling [1] to function reliably.
> >
> > [1]:
https://lore.kernel.org/lkml/CACGkMEtgrxN3PPwsDo4oOsnsSLJfEmBEZ0WvjGRr3whU+QasUg
at mail.gmail.com/T/
>
> Jason promised to post a new version of that patch.
> Right Jason?
Yes.
> For now let's make sure CVQ feature flag is off?
We can do that and relax on top of my patch.

Thanks
>
> > RFC -> v1 changes:
> > =================> > - Fail device init if it does not support
VERSION_1 (Jason)
> >
> > Maxime Coquelin (2):
> >   vduse: validate block features only with block devices
> >   vduse: enable Virtio-net device type
> >
> >  drivers/vdpa/vdpa_user/vduse_dev.c | 15 +++++++++++----
> >  1 file changed, 11 insertions(+), 4 deletions(-)
> >
> > --
> > 2.41.0
>